premarsx | n |
|---|---|
not wrong at all | 1,378 |
always wrong | 357 |
wrong only sometimes | 258 |
almost always wrong | 122 |
Total | 2,115 |
📖 Readings
Who or what is being studied?
POPULATION
All units of analysis (people, institutions, groups, etc.) in which the researcher is interested.
SAMPLE
A subset of people (or institutions, groups, etc.) selected from a population.
N refers to population size
n refers to sample size
DESCRIPTIVE STATISTICS
Procedures that help us organize and describe data collected from a sample or population.
INFERENTIAL STATISTICS
Making underlying predictions or inferences about a population using observations and analyses from a sample.
VARIABLES
Any factor, trait, or condition that can exist in differing amounts or types.
Nominal
A variable made up of categories that cannot be ordered
Ordinal
A variable made up of ranked categories, with no systematic or measurable numeric difference between the categories.
Interval-ratio (aka continuous)
A variable with categories that are ordered and expressed in the same units.
Dichotomous (aka binary)
A variable with only two categories.
Which of the following is an example of descriptive statistics?
Which of the following is an example of a nominal level of measurement?
Which level of measurement is used when ranking neighborhoods by crime rate (e.g., low, medium, high)?
DISTRIBUTION
Shows all the possible values (or intervals) of the data and how often they occur.
FREQUENCY DISTRIBUTION
A table reporting the number of observations falling into each category of the variable.
Table 1. Attitudes about sex before marriage
premarsx | n |
|---|---|
not wrong at all | 1,378 |
always wrong | 357 |
wrong only sometimes | 258 |
almost always wrong | 122 |
Total | 2,115 |
premarsx | n |
|---|---|
not wrong at all | 1,378 |
always wrong | 357 |
wrong only sometimes | 258 |
almost always wrong | 122 |
Total | 2,115 |
The number of respondents who answered this survey question.
premarsx | n |
|---|---|
not wrong at all | 1,378 |
always wrong | 357 |
wrong only sometimes | 258 |
almost always wrong | 122 |
Total | 2,115 |
The number of respondents who said pre-marital sex was “wrong only sometimes.”
Are women more likely than men to say premarital sex is “not wrong at all?”
Table 2. Attitudes about sex before marriage by gender
premarsx | female | male |
|---|---|---|
not wrong at all | 11,086 | 10,672 |
always wrong | 7,116 | 4,159 |
wrong only sometimes | 4,792 | 3,904 |
almost always wrong | 2,388 | 1,499 |
Total | 25,382 | 20,234 |
will add later